Atlantis Marine World

Atlantis Marine World
431 East Main Street
Riverhead, NY 11901
Phone: 631-208-9200

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30% discount available to National Grid Employees

Located on Main Street in Riverhead, along the Peconic River, Atlantis Marine World is Long Island’s full-scale Aquarium.

Themed around the “Lost City of Atlantis,” Atlantis Marine World blends science and nature with myth to create an informative and entertaining environment for visitors of all ages. We offer a rich variety of experiences, from fascinating marine life exhibits to Aquatic Adventures and educational programs.

Atlantis Marine World is also home to the Riverhead Foundation for Marine Research and Preservation, New York State’s only authorized marine mammal and sea turtle rescue and rehabilitation center.